Security Guard Service in Pleasant Hill, CA

Security guard using a two-way radio while standing near an escalator and staircase.

Guardian Security Agency provides professional unarmed security guard service serving Pleasant Hill and the surrounding Contra Costa County area. We have been protecting commercial properties, residential communities, schools, and businesses since 1992, bringing more than 40 years of combined experience to every client we serve. If trespassing, vandalism, or unauthorized access is a concern at your property, call us today at (925) 356-3034 to request a timely customized security assessment.

What Does Our Security Guard Service Include?


We offer four core solutions that work independently or together as a fully integrated security program:


  1. Dedicated on-site security. A professional unarmed officer stationed at your property provides a visible deterrent against crime and handles access control, incident documentation, and emergency coordination.
  2. Scheduled vehicle patrols. Patrol officers follow customized routes across your site, checking entry points, parking areas, and perimeter zones at regular intervals to discourage and detect threats.
  3. Remote guard video surveillance with patrol officer response. We monitor your existing camera systems or supply our own equipment. When our team identifies a potential incident, we dispatch a patrol officer or contact law enforcement as needed.
  4. Customized security solutions. We work with you to design a plan that fits your layout, foot traffic, risk level, and budget.

Who We Serve in Pleasant Hill and Contra Costa County


Our security guard service serving Pleasant Hill is built for the types of properties that define Contra Costa County. The Pleasant Hill corridor along Contra Costa Boulevard and communities near Diablo Valley College present unique access control challenges, from multi-tenant commercial buildings to high-traffic educational campuses.


We regularly provide unarmed security guard services for:


  • Commercial office buildings and business parks, including multi-story and multi-tenant properties throughout Pleasant Hill, Concord, and Walnut Creek.
  • Residential communities, HOAs, and apartment complexes where consistent patrol presence reduces vandalism and unauthorized access.
  • Schools and educational campuses where a professional security presence supports safe environments for students and staff.
  • Construction sites and industrial facilities across Contra Costa County where after-hours theft and equipment damage are ongoing concerns.
  • Strip malls, retail centers, and mixed-use developments that benefit from on-site staffing and scheduled patrols.


Our service areas extend throughout Contra Costa County, including Concord, Walnut Creek, Martinez, and Danville.

How Our Security Process Works


  1. Timely security consultation. We assess your property, identify vulnerabilities, and learn what outcomes matter most to you.
  2. Custom security plan. We design coverage that may include on-site guards, vehicle patrols, remote surveillance, or a combination.
  3. Officer deployment and scheduling. We place trained, BSIS-certified officers on your site according to the agreed schedule, whether 24/7, overnight, or event-based.
  4. Active monitoring and response. For clients using remote guard surveillance, our team monitors live feeds and dispatches officers or police when an incident is detected.
  5. Ongoing reporting and communication. We provide thorough activity documentation and adjust coverage as your needs evolve.

FAQs About Our Security Guard Service

  • Do You Provide Armed or Unarmed Guards?

    We provide unarmed security officers only. Our guards are professionally trained and BSIS-certified, and they serve as an effective deterrent for most commercial, residential, and school security needs.

  • Can You Monitor Security Cameras We Already Have?

    Yes. Our remote security guard surveillance service integrates with your existing camera systems. If your property lacks cameras, we can supply and install monitoring equipment and provide remote oversight with patrol officer response.

  • How Do I Get a Quote for Security Guard Service in Pleasant Hill?

    Contact us to request a free consultation and quote. Pricing depends on your property size, coverage hours, and selected services. Reach out via our contact page or call (925) 356-3034.

  • What Types of Properties Do You Typically Protect?

    We serve commercial buildings, residential communities, schools, construction sites, factories, strip malls, and more across Contra Costa County with our security guard services. If you are unsure whether your property is a fit, we are happy to discuss your situation.

  • Are Your Officers Licensed in California?

    Yes. All officers carry a valid BSIS Guard Card, and Guardian Security Agency holds California License PPO #11106 with full insurance coverage for clients and officers.

Request Your Security Assessment Today!

Protecting your property in Pleasant Hill, CA, starts with a conversation. Our team will assess your site, identify the right mix of on-site guards, patrol coverage, and remote surveillance, and build a plan that fits your needs. We have been doing this since 1992. Check our Google Profile to see what our clients say. Visit our contact page to request your security guard service assessment today.